Patents by Inventor Marius J. A. Elders

Marius J. A. Elders has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High-voltage transformer
    Patent number: 4227143
    Abstract: A high voltage transformer comprising a secondary winding composed of coils which are wound one on top of the other and which are electrically interconnected by diodes which are connected in the same rectifying sense. Each coil consists of a number of series connected sub-coils, each of which consists of a first layer of turns which contact each other, and a second layer which comprises a smaller number of turns. The first layers of two successive subcoils directly contact each other, whereas the second layers are separated by a clearance having a width equal to the wire thickness.
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: October 7, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Marius J. A. Elders, Jan H. M. Hopmans
  • Deflection coil unit comprising toroidally wound coils for a color television display tube
    Patent number: 4065738
    Abstract: A deflection coil unit for color television, comprising coils which are toroidally wound on a ring core having a flared inner surface. The parts of the coils which extends along the inner surface are situated in grooves having side walls whose plane is parallel to the axis of the ring core.
    Type: Grant
    Filed: May 30, 1976
    Date of Patent: December 27, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Marius J. A. Elders, Nicolaas G. Vink, Cornelis VAN Steen